South Gray
South Gray is an earth dam located in Larimer County, Colorado, built in 1976. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About South Gray
The primary purpose of South Gray is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lake Canal Reservoir Company (harris, Rosanna) (private). It impounds the Boxelder Cr-tr near Windsor.
The dam stands 24 feet tall and stretches 2,676 feet across, creates a reservoir covering 77 acres, and has a maximum storage capacity of 1,193 acre-feet. Completed in 1976, the structure is 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/26/2017.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Windsor |
| River/Stream | Boxelder Cr-tr |
| Coordinates | 40.61340, -104.98551 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 2,676 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,193 acre-ft |
| Max Storage | 1,193 acre-ft |
| Normal Storage | 885 acre-ft |
| Surface Area | 77 acres |
| Max Discharge | 1,950 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LAKE CANAL RESERVOIR COMPANY (HARRIS, ROSANNA) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/26/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00849 |
| Federal ID | CO00849 |
| More Info | State Dam Safety Program |